IAA RAS IAA Minor Planet Database

21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2019-02-09 10:44:35 s 1 -113784.03 6 +366107.72 9040.0 – C57
2019-02-09 11:07:16 C 09 18 43.44 -22 24 59.1 – V T08
2019-02-09 11:14:35 S 09 18 59.489 -22 26 56.15 – V C57
2019-02-09 11:14:35 s 1 -114656.73 8 +365641.34 4350.0 – C57
2019-02-09 11:24:30 C 09 18 41.93 -22 25 05.7 – V T08
2019-02-09 11:44:35 S 09 18 56.669 -22 27 07.45 – V C57
2019-02-09 11:44:35 s 1 -115526.95 0 +365166.57 4940.0 – C57
2019-02-09 11:45:42 C 09 18 40.04 -22 25 14.2 – V T08
2019-02-09 12:14:35 S 09 18 54.024 -22 27 19.37 – V C57
2019-02-09 12:14:35 s 1 -116394.65 1 +364683.42 680.0 – C57
2019-02-09 12:44:35 S 09 18 51.235 -22 27 30.28 – V C57
2019-02-09 12:44:35 s 1 -117259.81 5 +364191.89 1450.0 – C57
2019-02-09 13:14:35 S 09 18 48.521 -22 27 42.88 – V C57
2019-02-09 13:14:35 s 1 -118122.41 9 +363691.97 7150.0 – C57
2019-02-09 13:44:35 S 09 18 45.996 -22 27 54.36 – V C57
2019-02-09 13:44:35 s 1 -118982.43 9 +363183.67 7660.0 – C57
2019-02-09 14:14:35 S 09 18 43.241 -22 28 05.02 – V C57
2019-02-09 14:14:35 s 1 -119839.85 1 +362666.99 2860.0 – C57
2019-02-09 14:44:35 S 09 18 40.601 -22 28 17.15 – V C57
2019-02-09 14:44:35 s 1 -120694.63 1 +362141.92 2630.0 – C57
2019-02-09 15:14:35 S 09 18 38.047 -22 28 29.21 – V C57
2019-02-09 15:14:35 s 1 -121546.75 4 +361608.46 6860.0 – C57
2019-02-09 15:44:35 S 09 18 35.342 -22 28 39.65 – V C57
2019-02-09 15:44:35 s 1 -122396.19 6 +361066.62 5430.0 – C57
2019-02-09 16:14:35 S 09 18 32.647 -22 28 50.81 – V C57
2019-02-09 16:14:35 s 1 -123242.93 2 +360516.38 8220.0 – C57
2019-02-09 16:44:35 S 09 18 29.870 -22 29 02.90 – V C57
2019-02-09 16:44:35 s 1 -124086.93 8 +359957.75 5120.0 – C57
2019-02-09 17:14:35 S 09 18 27.209 -22 29 15.22 – V C57
2019-02-09 17:14:35 s 1 -124928.18 8 +359390.73 6000.0 – C57
2019-02-09 17:44:35 S 09 18 24.586 -22 29 27.02 – V C57
2019-02-09 17:44:35 s 1 -125766.65 8 +358815.31 760.0 – C57
2019-02-09 18:14:35 S 09 18 21.929 -22 29 37.68 – V C57
2019-02-09 18:14:35 s 1 -126602.32 1 +358231.50 9250.0 – C57
2019-02-09 18:44:35 S 09 18 19.138 -22 29 48.84 – V C57
2019-02-09 18:44:35 s 1 -127435.15 3 +357639.28 1380.0 – C57
2019-02-09 19:14:35 S 09 18 16.512 -22 30 01.80 – V C57
2019-02-09 19:14:35 s 1 -128265.12 9 +357038.66 7010.0 – C57
2019-02-09 19:44:35 S 09 18 13.838 -22 30 11.74 – V C57
2019-02-09 19:44:35 s 1 -129092.22 2 +356429.63 6020.0 – C57
2019-02-09 20:14:35 S 09 18 11.172 -22 30 23.11 – V C57
2019-02-09 20:14:35 s 1 -129916.40 6 +355812.19 8300.0 – C57
2019-02-09 20:44:35 S 09 18 08.537 -22 30 34.24 – V C57
2019-02-09 20:44:35 s 1 -130737.65 6 +355186.34 3710.0 – C57
2019-02-09 21:14:35 S 09 18 05.839 -22 30 46.55 – V C57
2019-02-09 21:14:35 s 1 -131555.94 5 +354552.07 2140.0 – C57
2019-02-09 21:44:35 S 09 18 03.106 -22 30 56.59 – V C57
2019-02-09 21:44:35 s 1 -132371.24 6 +353909.39 3460.0 – C57
2019-02-09 22:14:35 S 09 18 00.432 -22 31 09.12 – V C57
2019-02-09 22:14:35 s 1 -133183.53 4 +353258.28 7550.0 – C57